Created Conversation Fragment

app/src/main/java/org/communiquons/android/comunic/client/MainActivity.java

@@ -16,7 +16,9 @@ import org.communiquons.android.comunic.client.api.APIRequest;
 import org.communiquons.android.comunic.client.data.Account.Account;
 import org.communiquons.android.comunic.client.data.Account.AccountUtils;
 import org.communiquons.android.comunic.client.data.DatabaseHelper;
+import org.communiquons.android.comunic.client.data.conversations.ConversationsListHelper;
 import org.communiquons.android.comunic.client.data.friendsList.FriendRefreshLoopRunnable;
+import org.communiquons.android.comunic.client.fragments.ConversationFragment;
 import org.communiquons.android.comunic.client.fragments.ConversationsListFragment;
 import org.communiquons.android.comunic.client.fragments.FriendsListFragment;
 import org.communiquons.android.comunic.client.fragments.UserInfosFragment;
@@ -27,7 +29,8 @@ import org.communiquons.android.comunic.client.fragments.UserInfosFragment;
  *
  * @author Pierre HUBERT
  */
-public class MainActivity extends AppCompatActivity {
+public class MainActivity extends AppCompatActivity
+        implements ConversationsListHelper.openConversationListener {
 
     /**
      * Account object
@@ -236,4 +239,28 @@ public class MainActivity extends AppCompatActivity {
         transaction.addToBackStack(null);
         transaction.commit();
     }
+
+    /**
+     * Open a conversation
+     *
+     * @param id The ID of the conversation to open
+     */
+    @Override
+    public void openConversation(int id) {
+
+        //Set the arguments for the conversation
+        Bundle args = new Bundle();
+        args.putInt(ConversationFragment.ARG_CONVERSATION_ID ,id);
+
+        //Create the fragment
+        ConversationFragment conversationFragment = new ConversationFragment();
+        conversationFragment.setArguments(args);
+
+        //Display it
+        FragmentTransaction transaction = getFragmentManager().beginTransaction();
+        transaction.replace(R.id.main_fragment, conversationFragment);
+        transaction.addToBackStack(null);
+        transaction.commit();
+
+    }
 }

app/src/main/java/org/communiquons/android/comunic/client/data/conversations/ConversationsListHelper.java

@@ -137,4 +137,20 @@ public class ConversationsListHelper {
         return info;
     }
 
+    /**
+     * Handles the opening of a conversation
+     *
+     * This interface should be implemented in all the activity that should handle such action
+     */
+    public interface openConversationListener {
+
+        /**
+         * Open the conversation specified by its ID
+         *
+         * @param id The ID of the conversation to open
+         */
+        void openConversation(int id);
+
+    }
+
 }

app/src/main/java/org/communiquons/android/comunic/client/fragments/ConversationFragment.java

@@ -0,0 +1,65 @@
+package org.communiquons.android.comunic.client.fragments;
+
+import android.app.Fragment;
+import android.os.Bundle;
+import android.support.annotation.Nullable;
+import android.view.LayoutInflater;
+import android.view.View;
+import android.view.ViewGroup;
+import android.widget.Toast;
+
+import org.communiquons.android.comunic.client.R;
+
+/**
+ * Conversation fragment
+ *
+ * Display a conversation, its message. Allow the user to send and receive messages
+ *
+ * @author Pierre HUBERT
+ * Created by pierre on 12/16/17.
+ */
+
+public class ConversationFragment extends Fragment {
+
+    /**
+     * Debug tag
+     */
+    private static final String TAG = "ConversationFragment";
+
+    /**
+     * The conversation ID argument
+     */
+    public static final String ARG_CONVERSATION_ID = "conversation_id";
+
+    /**
+     * The conversation ID
+     */
+    private int conversation_id;
+
+
+    @Override
+    public void onCreate(@Nullable Bundle savedInstanceState) {
+        super.onCreate(savedInstanceState);
+
+        //Get the conversation ID
+        conversation_id = getArguments().getInt(ARG_CONVERSATION_ID);
+
+        if(conversation_id < 1){
+            throw new RuntimeException(TAG + " requires a valid conversation ID when created !");
+        }
+
+    }
+
+    @Nullable
+    @Override
+    public View onCreateView(LayoutInflater inflater, @Nullable ViewGroup container, Bundle savedInstanceState) {
+        return inflater.inflate(R.layout.fragment_conversation, container, false);
+    }
+
+    @Override
+    public void onViewCreated(View view, @Nullable Bundle savedInstanceState) {
+        super.onViewCreated(view, savedInstanceState);
+
+        Toast.makeText(getActivity(), "Open : " + conversation_id, Toast.LENGTH_SHORT).show();
+    }
+}

app/src/main/java/org/communiquons/android/comunic/client/fragments/ConversationsListFragment.java

@@ -1,6 +1,8 @@
 package org.communiquons.android.comunic.client.fragments;
 
+import android.app.Activity;
 import android.app.Fragment;
+import android.content.Context;
 import android.os.AsyncTask;
 import android.os.Bundle;
 import android.support.annotation.Nullable;
@@ -9,6 +11,7 @@ import android.util.Log;
 import android.view.LayoutInflater;
 import android.view.View;
 import android.view.ViewGroup;
+import android.widget.AdapterView;
 import android.widget.ListView;
 import android.widget.Toast;
 
@@ -19,6 +22,8 @@ import org.communiquons.android.comunic.client.data.UsersInfo.UserInfo;
 import org.communiquons.android.comunic.client.data.conversations.ConversationsInfo;
 import org.communiquons.android.comunic.client.data.conversations.ConversationsListAdapter;
 import org.communiquons.android.comunic.client.data.conversations.ConversationsListHelper;
+import org.communiquons.android.comunic.client.data.conversations.ConversationsListHelper
+        .openConversationListener;
 
 import java.util.ArrayList;
 
@@ -31,7 +36,7 @@ import java.util.ArrayList;
  * Created by pierre on 12/6/17.
  */
 
-public class ConversationsListFragment extends Fragment {
+public class ConversationsListFragment extends Fragment implements AdapterView.OnItemClickListener {
 
     /**
      * Debug tag
@@ -58,6 +63,11 @@ public class ConversationsListFragment extends Fragment {
      */
     private ListView conversationsListView;
 
+    /**
+     * Conversation opener
+     */
+    private openConversationListener openConvListener;
+
     /**
      * Conversation list adapter
      */
@@ -103,12 +113,20 @@ public class ConversationsListFragment extends Fragment {
             }
         }.executeOnExecutor(AsyncTask.THREAD_POOL_EXECUTOR);
 
-
+        //Set the open conversation listener
+        try {
+            openConvListener = (openConversationListener) getActivity();
+        } catch (ClassCastException e){
+            throw new ClassCastException(getActivity().toString() +
+                    " must implement OpenConversationListener");
+        }
     }
 
     /**
      * Process the conversation list
      *
+     * This method must be called on a separate thread
+     *
      * @param list The list of conversations
      */
     public void process_conversations_list(ArrayList<ConversationsInfo> list){
@@ -211,5 +229,23 @@ public class ConversationsListFragment extends Fragment {
 
         //Attach it to the view
         conversationsListView.setAdapter(conversationsListAdapter);
+
+        conversationsListView.setOnItemClickListener(this);
+    }
+
+    /**
+     * Handles the click on a conversation to open it
+     *
+     * {@inheritDoc}
+     */
+    @Override
+    public void onItemClick(AdapterView<?> parent, View view, int position, long id) {
+
+        //Get the clicked conversation
+        ConversationsInfo conv = convList.get(position);
+
+        //Open the specified conversation
+        openConvListener.openConversation(conv.getID());
+
     }
 }

app/src/main/res/layout/fragment_conversation.xml

@@ -0,0 +1,11 @@
+<?xml version="1.0" encoding="utf-8"?>
+<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
+    android:orientation="vertical" android:layout_width="match_parent"
+    android:layout_height="match_parent">
+
+    <TextView
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:text="hello conversation"/>
+
+</LinearLayout>